From: Jakub Kicinski <kuba@kernel.org>
To: Lukas Wunner <lukas@wunner.de>
Cc: Pablo Neira Ayuso <pablo@netfilter.org>,
Daniel Borkmann <daniel@iogearbox.net>,
netfilter-devel@vger.kernel.org, davem@davemloft.net,
netdev@vger.kernel.org, kadlec@netfilter.org, fw@strlen.de,
ast@kernel.org, edumazet@google.com, tgraf@suug.ch,
nevola@gmail.com, john.fastabend@gmail.com, willemb@google.com
Subject: Re: [PATCH nf-next v5 0/6] Netfilter egress hook
Date: Thu, 30 Sep 2021 10:19:20 -0700 [thread overview]
Message-ID: <20210930101920.06bb40b9@kicinski-fedora-pc1c0hjn.dhcp.thefacebook.com> (raw)
In-Reply-To: <20210930171253.GA13673@wunner.de>
On Thu, 30 Sep 2021 19:12:53 +0200 Lukas Wunner wrote:
> On Thu, Sep 30, 2021 at 07:28:35AM -0700, Jakub Kicinski wrote:
> > On Thu, 30 Sep 2021 11:21:42 +0200 Pablo Neira Ayuso wrote:
> > > this is stuffing one more bit into the skbuff
> >
> > The lifetime of this information is constrained, can't it be a percpu
> > flag, like xmit_more?
>
> Hm, can't an skb be queued and processed later on a different cpu?
> E.g. what about fragments?
>
> That would rule out a percpu flag, leaving a flag in struct sk_buff
> as the only option.
What queuing do you have in mind? Qdisc is after the egress hook.
next prev parent reply other threads:[~2021-09-30 17:19 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-09-28 9:55 [PATCH nf-next v5 0/6] Netfilter egress hook Pablo Neira Ayuso
2021-09-28 9:55 ` [PATCH nf-next v5 1/6] netfilter: Rename ingress hook include file Pablo Neira Ayuso
2021-09-28 9:55 ` [PATCH nf-next v5 2/6] netfilter: Generalize " Pablo Neira Ayuso
2021-09-28 9:55 ` [PATCH nf-next v5 3/6] netfilter: nf_tables: move netdev ingress filter chain to nf_tables_netdev.c Pablo Neira Ayuso
2021-09-28 9:55 ` [PATCH nf-next v5 4/6] netfilter: Introduce egress hook Pablo Neira Ayuso
2021-09-28 9:55 ` [PATCH nf-next v5 5/6] af_packet: " Pablo Neira Ayuso
2021-09-28 9:55 ` [PATCH nf-next v5 6/6] netfilter: nf_tables: add egress support Pablo Neira Ayuso
2021-09-30 6:08 ` [PATCH nf-next v5 0/6] Netfilter egress hook Daniel Borkmann
2021-09-30 6:52 ` Lukas Wunner
2021-09-30 7:10 ` Daniel Borkmann
2021-09-30 7:21 ` Pablo Neira Ayuso
2021-09-30 7:19 ` Pablo Neira Ayuso
2021-09-30 7:33 ` Daniel Borkmann
2021-09-30 9:21 ` Pablo Neira Ayuso
2021-09-30 14:28 ` Jakub Kicinski
2021-09-30 15:13 ` Pablo Neira Ayuso
2021-09-30 16:06 ` Jakub Kicinski
2021-09-30 18:00 ` Pablo Neira Ayuso
2021-09-30 19:17 ` Jakub Kicinski
2021-09-30 17:12 ` Lukas Wunner
2021-09-30 17:19 ` Jakub Kicinski [this message]
2021-09-30 17:36 ` Lukas Wunner
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